中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Regulating interfacial chemistry and kinetic behaviors of F/Mo co-doping Ni-rich layered oxide cathode for long-cycling lithium-ion batteries over-20 ° C-60 ° C

文献类型:期刊论文

作者Guan, Siqi1,2; Tao, Lin1; Tang, Pei2,3; Fang, Ruopian5; Wu, Huize2,3; Piao, Nan2; Yang, Huicong2; Hu, Guangjian2,4; Geng, Xin1; Li, Lixiang1
刊名JOURNAL OF ENERGY CHEMISTRY
出版日期2024-07-01
卷号94页码:449-457
关键词Anion -cation co-doping Wide temperature operation Ni-rich layered cathode Phase transition Surface/interface
ISSN号2095-4956
DOI10.1016/j.jechem.2024.02.064
通讯作者Hu, Guangjian(gjhu@imr.ac.cn) ; An, Baigang(bgan@ustl.edu.cn) ; Li, Feng(fli@imr.ac.cn)
英文摘要Ni-rich layered oxide cathodes have shown promise for high-energy lithium -ion batteries (LIBs) but are usually limited to mild environments because of their rapid performance degradation under extreme temperature conditions (below 0 degrees C and above 50 degrees C). Here, we report the design of F/Mo co-doped LiNi 0.8 Co 0.1 Mn 0.1 O 2 (FMNCM) cathode for high-performance LIBs from -20 to 60 degrees C. F - doping with high electronegativity into the cathode surface is found to enhance the stability of surface lattice structure and protect the interface from side reactions with the electrolyte by generating a LiF-rich surface layer. Concurrently, the Mo 6+ doping suppresses phase transition, which blocks Li + /Ni 2+ mixing, and stabilizes lithium -ion diffusion pathway. Remarkably, the FMNCM cathode demonstrates excellent cycling stability at a high cutoff voltage of 4.4 V, even at 60 degrees C, maintaining 90.6% capacity retention at 3 C after 150 cycles. Additionally, at temperatures as low as -20 degrees C, it retains 77.1% of its room temperature capacity, achieving an impressive 97.5% capacity retention after 500 cycles. Such stable operation under wide temperatures has been further validated in practical Ah-level pouch-cells. This study sheds light on both fundamental mechanisms and practical implications for the design of advanced cathode materials for wide-temperature LIBs, presenting a promising path towards high-energy and long-cycling LIBs with temperature adaptability. (c) 2024 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press. All rights reserved.
资助项目National Natural Science Foundation of China[51972156] ; National Natural Science Foundation of China[52072378] ; National Natural Science Foundation of China[52102054] ; National Natural Science Foundation of China[51927803] ; National Key R&D Program of China[2022YFB3803400] ; National Key R&D Program of China[2021YFB3800301] ; Shenyang Science and Technology Program[22-322-3-19] ; Youth Fund of the Education Department of Liaoning Province[LJKQZ20222324] ; Outstanding Youth Fund of University of Science and Technology Liaoning[2023YQ11]
WOS研究方向Chemistry ; Energy & Fuels ; Engineering
语种英语
WOS记录号WOS:001219708100001
出版者ELSEVIER
资助机构National Natural Science Foundation of China ; National Key R&D Program of China ; Shenyang Science and Technology Program ; Youth Fund of the Education Department of Liaoning Province ; Outstanding Youth Fund of University of Science and Technology Liaoning
源URL  
专题金属研究所_中国科学院金属研究所
通讯作者Hu, Guangjian; An, Baigang; Li, Feng
作者单位1.Univ Sci & Technol Liaoning, Inst Energy Mat & Electrochem Res, Anshan 114051, Liaoning, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
3.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China
4.Shenyang King Power Tech Co Ltd, Shenyang 110016, Liaoning, Peoples R China
5.Univ New South Wales, Sch Chem Engn, Sydney, NSW 2052, Australia
推荐引用方式
GB/T 7714
Guan, Siqi,Tao, Lin,Tang, Pei,et al. Regulating interfacial chemistry and kinetic behaviors of F/Mo co-doping Ni-rich layered oxide cathode for long-cycling lithium-ion batteries over-20 ° C-60 ° C[J]. JOURNAL OF ENERGY CHEMISTRY,2024,94:449-457.
APA Guan, Siqi.,Tao, Lin.,Tang, Pei.,Fang, Ruopian.,Wu, Huize.,...&Li, Feng.(2024).Regulating interfacial chemistry and kinetic behaviors of F/Mo co-doping Ni-rich layered oxide cathode for long-cycling lithium-ion batteries over-20 ° C-60 ° C.JOURNAL OF ENERGY CHEMISTRY,94,449-457.
MLA Guan, Siqi,et al."Regulating interfacial chemistry and kinetic behaviors of F/Mo co-doping Ni-rich layered oxide cathode for long-cycling lithium-ion batteries over-20 ° C-60 ° C".JOURNAL OF ENERGY CHEMISTRY 94(2024):449-457.

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来源:金属研究所

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